Student accommodation developer and manager Unite reported a 0.4% rise in net asset value per unit between June 30 and September 30, reflecting an increase in property values.The firm said 97% of bed space is now occupied for the 2009/10 academic year, compared with 99% over the same period the previous year.'The fund's performance in the third quarter of 2009 demonstrates the continued resilience of student accommodation and its ability to generate consistent occupational performance and rental growth despite challenging economic conditions,' said chief financial officer Joe Lister.